Scraping information of CRAN packages

2014-07-29 Kun Ren
r scraping CRAN pipeline
(This article is adapted to the latest version of rvest package.) In my previous post, I demonstrated how we can scrape online data using existing packages. 继续阅读 »

What are the most popular keywords of CRAN packages?

2014-07-25 Kun Ren
r scraping
(This article is adapted to the latest version of rvest package.) A large proportion of R's power should be attributed to the enormous amount of extension packages. Many packages are published to CRAN. 继续阅读 »

A quiz on magrittr: How many scores can you get?

2014-08-07 Kun Ren
r magrittr pipeR pipeline
Here is a quiz on magrittr and you may check if you are really good at using it. Since the CRAN version currently does not support nested ., it won't be interesting to make a quiz on that version. All the following examples are using the latest development version on GitHub. You can do the same test with the CRAN versi 继续阅读 »

使用 R 进行数据分析

2016-11-07 ALEX LIN
R
更新日志 macOS 上搭建 R 开发环境 R 语言官方网站：https://www.r-project.org RStudio 官方网站：https://www.rstudio.com RStudio 是 R 语言的IDE。 安装包安装 安装 XQuartz 下载地址：https://www.xquartz.org 安装 R 下载地址：https://cran.r-project.org 安装 RStudio 下载地址：https://www.rstudio.com/products/rstudio/download/ 命令行安装 安装 Homebrew /usr/bin/rub 继续阅读 »